45969557 has 4 divisors (see below), whose sum is σ = 45984780. Its totient is φ = 45954336.

The previous prime is 45969541. The next prime is 45969563. The reversal of 45969557 is 75596954.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75596954 = 2 ⋅37798477.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 43970161 = 1414^2 + 6631^2 .

It is a cyclic number.

It is not a de Polignac number, because 45969557 - 2⁴ = 45969541 is a prime.

It is a super-2 number, since 2×45969557² = 4226400341552498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45969587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (11496195).

Almost surely, 2^45969557 is an apocalyptic number.

It is an amenable number.

45969557 is a deficient number, since it is larger than the sum of its proper divisors (15223).

45969557 is a wasteful number, since it uses less digits than its factorization.

45969557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222.

The product of its digits is 1701000, while the sum is 50.

The square root of 45969557 is about 6780.0853239469. The cubic root of 45969557 is about 358.2257271030.

The spelling of 45969557 in words is "forty-five million, nine hundred sixty-nine thousand, five hundred fifty-seven".